EcoFlow · Power station · DELTA 3

DELTA 3

*1-5kWh expandable with DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery or DELTA 2 Max Extra Battery. . . . * 1800W AC output, 2200W (surge 3600W) with X-Boost . . . * 5 fast recharging methods (AC, Solar, 800W Alternator Charger, Smart Generator 3000 (Dual Fuel), Multicharging) . . . *5-year warranty . .

1,800W rated1,024WhRechargeable batteryListed available

Check EcoFlow price Official sale price $629.00

EcoFlow DELTA 3 Portable Power Station — Official product image · EcoFlow

Infographic gallery

Output, stored energy, charging, and portability.

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01 · Usable output

1,800W rated output

Battery1,800W / 3,600W

The comparison uses EcoFlow’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Listed capacity

1,024Wh

Published runtime guidance

Runtime depends on stored capacity and connected load

03 · Size & construction

Approx. 12.5kg. (27.6 lbs)

Listed weight

Approx. 397.6*202*283.6mm. (15.7*8.0*11.2in.)

Dimensions

Battery or engine: LFP (LiFePO4 battery) battery system
Warranty: 5 years

04 · Charging & continuity

Charging or integration

AC Charging: 1500W; Solar Charging: DC Charge Input, 11V-60V 500W Max; Smart Generator Charging (1.8kW): 1500W; Car Charging: 800W, in 1.3 Hour.

Backup transfer

<10ms

Noise

600W<30db;1200W<40db

Official product gallery

Product views and factory feature graphics.

The current official image set for DELTA 3 includes product views, connection diagrams, feature explanations, and compatible system configurations where EcoFlow publishes them.

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Complete specifications

The complete factory data available for comparison.

These pages retain EcoFlow's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Follow charging, storage, and installation guidance. Whole-home connections and transfer equipment should be installed according to EcoFlow instructions and applicable electrical codes.

Comparison summary

Battery output: 1,800W rated / 3,600W peak or maximum
Stored energy: 1,024Wh
Energy source: Rechargeable battery
Dimensions: Approx. 397.6*202*283.6mm. (15.7*8.0*11.2in.)
Listed weight: Approx. 12.5kg. (27.6 lbs)
Price and availability: $629.00 sale price; previously $699.00; available from EcoFlow

Factory output & connection specifications

Capacity: 1024 Wh
Total Output Ports: 13
AC Output: 6 outlets, 1800W total (Surge 3600W)
Max Device(s) Power (with X-Boost): 2200W
USB-A Output (Fast Charge): 2 ports, 18W Max
USB-C Output: 2 ports, 100W Max
Car Power Output: 1 port, 12.6V, 10A, 126W Max
DC5521 Output: 2 ports, 12.6V, 3A Max
AC Charging: 1500W
Waterproof Level of Battery Pack: IP65

Factory charging & battery specifications

Extra Battery: Support DELTA 2 EB, DELTA 2 Max EB, DELTA Pro 3 EB, and DELTA 3 EB (Up to 5kWh)
Solar Charging: DC Charge Input, 11V-60V 500W Max
Smart Generator Charging (1.8kW): 1500W
Car Charging: 800W, in 1.3 Hour.
Battery Chemistry: LFP (LiFePO4 battery)
Cycle Life: 4000 cycles to 80+% capacity

Factory engine, fuel & runtime specifications

Noise: 600W<30db;1200W<40db

Factory dimensions & operating specifications

Dimensions: Approx. 397.6*202*283.6mm. (15.7*8.0*11.2in.)
Net Weight: Approx. 12.5kg. (27.6 lbs)

Factory ownership, control & protection specifications

Connectivity: APP (TOU / Storm Warning Alert)
UPS: <10ms
Warranty: 5 years

Official feature details

System capability

*1-5kWh expandable with DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery or DELTA 2 Max Extra Battery.

Power and expansion

* 1800W AC output, 2200W (surge 3600W) with X-Boost .

Charging flexibility

* 5 fast recharging methods (AC, Solar, 800W Alternator Charger, Smart Generator 3000 (Dual Fuel), Multicharging) .

Best-fit uses

Home essentials
RV and camping
Power tools and appliances
Short outages

Standout features

1,800W rated output
3,600W peak or surge output
1,024Wh listed capacity
LFP (LiFePO4 battery)

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan

Sources: EcoFlow DELTA 3 EcoFlow productsVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact EcoFlow DELTA 3 model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Solar charging equipment

Shop EcoFlow solar panels, charging leads, and adapters intended for its portable-power ecosystem.

Match the connector, solar input voltage, current limit, and maximum input published for DELTA 3.

View official accessory options

Verify exact fit

Expansion battery

Review EcoFlow expansion batteries and required connection cables.

Use only an expansion battery that EcoFlow explicitly lists for DELTA 3; similar-looking ports do not establish compatibility.

View official accessory options

Verify exact fit

Case, cart, or protective cover

Protective and mobility accessories can make storage and transport easier.

Check the listed dimensions and model fit for DELTA 3; do not block cooling inlets or exhaust fans during operation.

View official accessory options

Manuals & PDFs

Official product materials.

Manuals and document lookupSupport pageSearch EcoFlow support materials using the complete model, item, or serial number.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.